New from Rubank: Concert and Contest Collection Book/Online Audio Pack for Trombone This top-rated collection of solo literature is known by teachers and students everywhere. Each book offers a superb variety of solos customized for that instrument, and most state solo/ensemble contest lists include several solos from this collection. (Piano accompaniment sold separately.) Features include: ˆ‘ High quality studio recordings by professional soloists ˆ‘ Accompaniment only tracks for student practice ˆ‘ Tempo adjustment software (most titles) allowing students to learn at their own pace